7zr.exe a -t7z archive.7z *.msi setup.exe -m0=BCJ2 -m1=LZMA:d25:fb255 -m2=LZMA:d19 -m3=LZMA:d19 -mb0:1 -mb0s1:2 -mb0s2:3 -mx
copy /b 7zS2.sfx + archive.7z sfx.exe